JPS63156196U - - Google Patents
Info
- Publication number
- JPS63156196U JPS63156196U JP4930187U JP4930187U JPS63156196U JP S63156196 U JPS63156196 U JP S63156196U JP 4930187 U JP4930187 U JP 4930187U JP 4930187 U JP4930187 U JP 4930187U JP S63156196 U JPS63156196 U JP S63156196U
- Authority
- JP
- Japan
- Prior art keywords
- duct
- center
- diaphragm
- communicates
- magnetic circuit
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 210000003027 ear inner Anatomy 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Headphones And Earphones (AREA)
- Audible-Bandwidth Dynamoelectric Transducers Other Than Pickups (AREA)
Description
第１図は本考案の一実施例を示すインナイヤー
型ヘツドホンの断面図、第２図はインナイヤー型
ヘツドホンの周波数特性図、第３図は従来例を示
すインナイヤー型ヘツドホンの断面図である。
１０は振動板、１１は磁気回路、１６はセンタ
ーダクト、１７はフレーム、１８はフレームダク
ト、１８ａは開口部である。
Fig. 1 is a sectional view of an inner-ear headphone showing an embodiment of the present invention, Fig. 2 is a frequency characteristic diagram of the inner-ear headphone, and Fig. 3 is a sectional view of an inner-ear headphone showing a conventional example. . 10 is a diaphragm, 11 is a magnetic circuit, 16 is a center duct, 17 is a frame, 18 is a frame duct, and 18a is an opening.
Claims (1)
に、この磁気回路の前方側空間と後方側空間とを
連通するセンターダクトを形成する一方、上記磁
気回路の背面および周面に対し所定の間隙をおい
てこれらを包囲するフレームを配設して上記セン
ターダクトと連通し且つ上記振動板の前方と同方
向に開口するフレームダクトを形成したことを特
徴とするインナイヤー型ヘツドホン。 A center duct that communicates the front side space and the rear side space of this magnetic circuit is formed approximately at the center of the magnetic circuit arranged behind the diaphragm. An inner-ear type headphone characterized in that a frame surrounding these with a gap is provided to form a frame duct that communicates with the center duct and opens in the same direction as the front of the diaphragm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4930187U JPS63156196U (en) | 1987-03-31 | 1987-03-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4930187U JPS63156196U (en) | 1987-03-31 | 1987-03-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS63156196U true JPS63156196U (en) | 1988-10-13 |
Family
ID=30871624
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4930187U Pending JPS63156196U (en) | 1987-03-31 | 1987-03-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS63156196U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006287674A (en) * | 2005-04-01 | 2006-10-19 | Victor Co Of Japan Ltd | Bass reflex headphone |
| KR100740003B1 (en) * | 2004-11-19 | 2007-07-16 | 양호준 | Speaker |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5726466U (en) * | 1980-07-21 | 1982-02-10 | ||
| JPS5776994A (en) * | 1980-10-31 | 1982-05-14 | Sony Corp | Electroacoustic transducer |
| JPS60142699A (en) * | 1983-12-28 | 1985-07-27 | Matsushita Electric Ind Co Ltd | Dynamic receiver |
-
1987
- 1987-03-31 JP JP4930187U patent/JPS63156196U/ja active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5726466U (en) * | 1980-07-21 | 1982-02-10 | ||
| JPS5776994A (en) * | 1980-10-31 | 1982-05-14 | Sony Corp | Electroacoustic transducer |
| JPS60142699A (en) * | 1983-12-28 | 1985-07-27 | Matsushita Electric Ind Co Ltd | Dynamic receiver |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR100740003B1 (en) * | 2004-11-19 | 2007-07-16 | 양호준 | Speaker |
| JP2006287674A (en) * | 2005-04-01 | 2006-10-19 | Victor Co Of Japan Ltd | Bass reflex headphone |
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